Home / 39,690,423,333.09-54,772,091,550.45-21,626,089,074.68

Finding the Fourth Proportional to 39,690,423,333.09, 54,772,091,550.45 and 21,626,089,074.68

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Solution

The fourth proportional to 39,690,423,333.09, 54,772,091,550.45 and 21,626,089,074.68 is: 29,843,625,519.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,690,423,333.09 : 54,772,091,550.45 = 21,626,089,074.68 : x
  2. Step 2: Convert to fraction form
    39,690,423,333.09/54,772,091,550.45 = 21,626,089,074.68/x
  3. Step 3: Cross multiply
    39,690,423,333.09x = 54,772,091,550.45 × 21,626,089,074.68
  4. Step 4: Simplify right side
    39,690,423,333.09x = 1,184,506,130,676,285,440,000
  5. Step 5: Solve for x
    x = 1,184,506,130,676,285,440,000/39,690,423,333.09
  6. Step 6: Final answer
    x = 29,843,625,519.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.